Actron CP7830 Excellent!
It is well made, and pulled and held 25 inches of vacuum, though it took lots of pumping, and with a few drops of oil it pulled 27 inches, but that really wore me out, overall it is well worth the money, it's almost all solid steel/brass and quite well made, perfect for degassing silicone and various science experiments. Also 25 in/hg of vacuum is roughly equal to 60,000 feet altitude, so it is capable of making marshmallows grow, or for vacuum canning dry goods, also comes.
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